A bicycle helmet is designed to attenuate impacts to the head of a cyclist in falls while minimizing side effects such as interference with peripheral vision. This LED Bicycle Helmet is light in weight and provides ample ventilation because cycling can be an intense aerobic activity which significantly raises body temperature, and the head in particular can be able to regulate its temperature. This helmet uses new PC material shell and densely gray (imports) high foaming of material, internal lining with high-grade, not only beautiful but also wear clothing comfortable, suitable for general use.Wherever you’re cycling, it’s important to remain seen and heard. Without going so far as to light yourself up like a Christmas tree, the more visible you are for drivers and pedestrians, the better.The helmet is also equipped with the Quicksafe headring with LED lights. The system features a 360° head ring, which allows the height and circumference to be pre-set, meaning that it can be quickly and easily adjusted to allow for the perfect fit and maximum comfort.